PL4090779T3 - Forged grinding balls for semi-autogenous grinder - Google Patents

Forged grinding balls for semi-autogenous grinder

Info

Publication number
PL4090779T3
PL4090779T3 PL21701066.9T PL21701066T PL4090779T3 PL 4090779 T3 PL4090779 T3 PL 4090779T3 PL 21701066 T PL21701066 T PL 21701066T PL 4090779 T3 PL4090779 T3 PL 4090779T3
Authority
PL
Poland
Prior art keywords
semi
grinding balls
autogenous
grinder
forged
Prior art date
Application number
PL21701066.9T
Other languages
Polish (pl)
Inventor
Marc BABINEAU
Michel Bonnevie
Original Assignee
Magotteaux International S.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Magotteaux International S.A. filed Critical Magotteaux International S.A.
Publication of PL4090779T3 publication Critical patent/PL4090779T3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/20—Disintegrating members
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/36—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for balls; for rollers
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/36—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.7% by weight of carbon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/56—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.7% by weight of carbon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/002—Bainite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/004—Dispersions; Precipitations
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/009—Pearlite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Heat Treatment Of Steel (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Forging (AREA)
PL21701066.9T 2020-01-16 2021-01-14 Forged grinding balls for semi-autogenous grinder PL4090779T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE20205031A BE1027395B1 (en) 2020-01-16 2020-01-16 FORGED CRUSH BALLS FOR SEMI-AUTOGENIC CRUSHERS
PCT/EP2021/050656 WO2021144347A1 (en) 2020-01-16 2021-01-14 Forged grinding balls for semi-autogenous grinder

Publications (1)

Publication Number Publication Date
PL4090779T3 true PL4090779T3 (en) 2024-06-24

Family

ID=69232706

Family Applications (1)

Application Number Title Priority Date Filing Date
PL21701066.9T PL4090779T3 (en) 2020-01-16 2021-01-14 Forged grinding balls for semi-autogenous grinder

Country Status (11)

Country Link
US (1) US20230071728A1 (en)
EP (1) EP4090779B1 (en)
CN (1) CN114929906B (en)
AU (1) AU2021207260B2 (en)
BE (1) BE1027395B1 (en)
BR (1) BR112022013975A2 (en)
CA (1) CA3167890A1 (en)
ES (1) ES2979363T3 (en)
PL (1) PL4090779T3 (en)
WO (1) WO2021144347A1 (en)
ZA (1) ZA202207221B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116179926B (en) * 2022-09-07 2026-03-20 包头钢铁（集团）有限责任公司 A production method for mining rare earth wear-resistant GN-14A hot-rolled round steel.
CN116657032B (en) * 2023-07-14 2026-01-27 江西铜业集团(德兴)铸造有限公司 High-chromium wear-resistant ball with low surface defects and preparation method thereof
CN118527215B (en) * 2024-05-31 2025-10-24 福州大学 An intelligent ball adding system and method for a semi-autogenous grinding mill

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU63431A1 (en) * 1971-06-29 1973-01-22
US4043842A (en) * 1972-07-12 1977-08-23 Joiret Victor L J Grinding members
FR2228115B1 (en) * 1973-05-04 1975-11-21 Thome Cromback Acieries
FR2405749A1 (en) * 1977-10-14 1979-05-11 Thome Cromback Acieries NEW FORGED CRUSHING BODIES, ESPECIALLY CRUSHING BALLS, AND THEIR MANUFACTURING PROCESS
US5183518A (en) * 1989-05-01 1993-02-02 Townley Foundry & Machine Co., Inc. Cryogenically super-hardened high-chromium white cast iron and method thereof
JPH08120333A (en) * 1994-10-20 1996-05-14 Nippon Koshuha Kogyo Kk Tool steel and its production
AU2086700A (en) * 1999-01-19 2000-08-07 Magotteaux International S.A. Process of the production of high-carbon cast steels intended for wearing parts
US6843824B2 (en) * 2001-11-06 2005-01-18 Cerbide Method of making a ceramic body of densified tungsten carbide
FR2847271B1 (en) * 2002-11-19 2004-12-24 Usinor METHOD FOR MANUFACTURING AN ABRASION RESISTANT STEEL SHEET AND OBTAINED SHEET
SE529370C2 (en) * 2006-01-09 2007-07-17 Sandvik Intellectual Property Water-based cemented carbide slurry, gelled cemented carbide and ways of producing a gelled body and a sintered cemented carbide body
CN102876961A (en) * 2012-08-31 2013-01-16 宁国市金六星研磨材料科技有限公司 Novel ultralow-manganese and high-chromium wear-resistant and corrosion-resistant cast grinding ball
CN103710646A (en) * 2013-12-18 2014-04-09 宁国市中意耐磨材料有限公司 Ultrahard low-chromium-content grinding body and manufacturing method thereof
CN104294186A (en) * 2014-10-18 2015-01-21 无棣向上机械设计服务有限公司 Nano boron nitride enhanced wear-resisting spheres and preparation process thereof
GB2532761A (en) * 2014-11-27 2016-06-01 Skf Ab Bearing steel

Also Published As

Publication number Publication date
AU2021207260B2 (en) 2026-02-12
US20230071728A1 (en) 2023-03-09
AU2021207260A1 (en) 2022-07-28
ES2979363T3 (en) 2024-09-25
ZA202207221B (en) 2023-11-29
BE1027395B1 (en) 2021-01-29
CA3167890A1 (en) 2021-07-22
CN114929906B (en) 2024-07-19
EP4090779A1 (en) 2022-11-23
WO2021144347A1 (en) 2021-07-22
BR112022013975A2 (en) 2022-10-11
CN114929906A (en) 2022-08-19
EP4090779B1 (en) 2024-02-28

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